Cosimo Mazzotta MD, PhD is an Assistant Professor of Ophthalmology at the Department of Medicine, Surgery and Neurosciences at the University of Siena, Consultant at the Anterior Segment Surgery Service, Ophthalmology Unit, Alta Val d'Elsa Hospital in Campostaggia Siena and Casentino Hospital in Bibbiena, Arezzo. He is Head and Founder of the Siena Crosslinking Center, Italy.

Dr. Mazzotta is an International Pioneer of Crosslinking who introduced the CXL therapy in Italy, developing many basic and advanced crosslinking protocols. He was awarded at ESCRS 2019 in Paris with the "Keratoconus Joseph Colin Prize" for his standardized treatment M nomogram for all thickness and thin ectatic corneas. Currently he is developing new enhanced accelerated Epi-on CXL protocols, new accelerated crosslinking (ACXL), excimer laser assisted ray-tracing guided central corneal regularization (CCR) with customized crosslinking based on stromal gradient map (SPG-CXL) and the crosslinking assisted donor-recipient deep anterior lamellar keratoplasty (DRXL-DALK).

Ashraf Armia, MD, MSc., FRCS (Glasgow), FACS., is a Consultant Eye Surgeon at Watany Eye Hospital (WEH), Cairo, Egypt and a shareholder at the same hospital. He is part of the Watany Research and Development Centre (WRDC), Cairo, Egypt. He is the CEO of AshrafArmiaEyeClinic, and CEO of Armia's Ophthalmology Training Observership Academy AOTOA. Founder of Global Education and Research Society Of Ophthalmology GERSO.

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Keratoconus imaging: current advances & broad horizons.- Pachymetry-Guided CXL and New Enhanced Epi-On CXL approaches.- Customized Surface Ablation Plus CXL.- CXL at the slit lamp and the Sub 400 protocol for thin corneas.- Corneal Allogenic Intrastromal Ring Segments - A Form of Mid- Peripheral Intra-Stromal Anterior Lamellar Keratoplasty.-Visual rehabilitation and keratocounus stability: Toric ICL, Toric IOL and the VIVA ICL for presbyopia.-The Tear Film and Ocular Surface Changes in Keratoconus.- Femto-DALK.